Hello,

I have 4 data frames, say A, B, C, D. Each A, B, C has different columns
set, and D has all of what A, B, and C have.
So, here is the example:
A has c1, c2, and c3
B has c4 and c5
C has c1, c5, and c6
D has c1, c2, c3, c4, c5, and c6.

I want to load these data frames into an Oracle SQL server. I am using RODBC
with sqlSave, and managed to load D. But when I tried to load the other data
frames, I failed. I already use append option, but still failed.
I've tried to rbind all frames into one set, but no success either.

Any idea?

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